Brunet, B. R., Barnes, A. J., Scheidweiler, K. B., Mura, P., & Huestis, M. A. (2008). Development and validation of a solid-phase extraction gas chromatography–mass spectrometry method for the simultaneous quantification of methadone, heroin, cocaine and metabolites in sweat.

Brunet, Bertrand R., Allan J. Barnes, Karl B. Scheidweiler, Patrick Mura, e Marilyn A. Huestis. Development and Validation of a Solid-phase Extraction Gas Chromatography–mass Spectrometry Method for the Simultaneous Quantification of Methadone, Heroin, Cocaine and Metabolites in Sweat. 2008.

Brunet, Bertrand R., et al. Development and Validation of a Solid-phase Extraction Gas Chromatography–mass Spectrometry Method for the Simultaneous Quantification of Methadone, Heroin, Cocaine and Metabolites in Sweat. 2008.